1--- 2c: Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al. 3SPDX-License-Identifier: curl 4Title: CURLINFO_SCHEME 5Section: 3 6Source: libcurl 7See-also: 8 - CURLINFO_EFFECTIVE_URL (3) 9 - CURLINFO_PROTOCOL (3) 10 - CURLINFO_RESPONSE_CODE (3) 11 - curl_easy_getinfo (3) 12 - curl_easy_setopt (3) 13Protocol: 14 - All 15Added-in: 7.52.0 16--- 17 18# NAME 19 20CURLINFO_SCHEME - get the URL scheme (sometimes called protocol) used in the connection 21 22# SYNOPSIS 23 24~~~c 25#include <curl/curl.h> 26 27CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_SCHEME, char **scheme); 28~~~ 29 30# DESCRIPTION 31 32Pass a pointer to a char pointer to receive the pointer to a null-terminated 33string holding the URL scheme used for the most recent connection done with 34this CURL **handle**. 35 36The **scheme** pointer is NULL or points to private memory. You MUST NOT 37free - it gets freed when you call curl_easy_cleanup(3) on the corresponding 38CURL handle. 39 40The returned scheme might be upper or lowercase. Do comparisons case 41insensitively. 42 43# %PROTOCOLS% 44 45# EXAMPLE 46 47~~~c 48int main(void) 49{ 50 CURL *curl = curl_easy_init(); 51 if(curl) { 52 CURLcode res; 53 curl_easy_setopt(curl, CURLOPT_URL, "https://example.com"); 54 res = curl_easy_perform(curl); 55 if(res == CURLE_OK) { 56 char *scheme = NULL; 57 curl_easy_getinfo(curl, CURLINFO_SCHEME, &scheme); 58 if(scheme) 59 printf("scheme: %s\n", scheme); /* scheme: HTTP */ 60 } 61 curl_easy_cleanup(curl); 62 } 63} 64~~~ 65 66# %AVAILABILITY% 67 68# RETURN VALUE 69 70Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not. 71
